Vladimir Kozlov
9f97cf13e8
6864914: SPECjvm2008 produces invalid result with zero based Compressed Oops
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Always use "lea" instruction for narrow oop decoding instead of "shift".
Reviewed-by: never
2009-07-30 16:05:56 -07:00
Y. Srinivas Ramakrishna
075c1335cb
6700789: G1: Enable use of compressed oops with G1 heaps
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Modifications to G1 so as to allow the use of compressed oops.
Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
2009-07-14 15:40:39 -07:00
Christian Thalinger
6a270f9f19
6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}()
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These methods can be instrinsified by using bit scan, bit test, and population count instructions.
Reviewed-by: kvn, never
2009-05-06 00:27:52 -07:00
John R Rose
ce0c084720
6655638: dynamic languages need method handles
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Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)
Reviewed-by: kvn, twisti, never
2009-04-08 10:56:49 -07:00
Changpeng Fang
c0d62ad9e6
6761600: Use sse 4.2 in intrinsics
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Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose
2009-03-31 14:07:08 -07:00
Tom Rodriguez
134debb0ba
6822204: volatile fences should prefer lock:addl to actual mfence instructions
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Reviewed-by: kvn, phh
2009-03-26 14:31:45 -07:00
John R Rose
cfb08c72ba
6814659: separable cleanups and subroutines for 6655638
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Preparatory but separable changes for method handles
Reviewed-by: kvn, never
2009-03-20 23:19:36 -07:00
John R Rose
b8dbe8d8f6
6813212: factor duplicated assembly code for general subclass check (for 6655638)
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Code in interp_masm, stubGenerator, c1_LIRAssembler, and AD files moved into MacroAssembler.
Reviewed-by: kvn
2009-03-13 18:39:22 -07:00
Christian Thalinger
de67e52949
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
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BitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.
Reviewed-by: kvn, never
2009-03-13 11:35:17 -07:00
Vladimir Kozlov
69f9ddee90
6791178: Specialize for zero as the compressed oop vm heap base
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Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp
2009-03-12 10:37:46 -07:00
Christian Thalinger
89cea91c48
6797305: Add LoadUB and LoadUI opcode class
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Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.
Reviewed-by: never, kvn
2009-03-09 03:17:11 -07:00
John R Rose
26d192003f
6812831: factor duplicated assembly code for megamorphic invokeinterface (for 6655638)
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Code in vtableStubs and templateTable moved into MacroAssembler.
Reviewed-by: kvn
2009-03-06 21:36:50 -08:00
John R Rose
07321dec65
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
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Minor assembler enhancements preparing for method handles
Reviewed-by: kvn
2009-03-04 09:58:39 -08:00
Tom Rodriguez
48d4a43c2a
6811384: MacroAssembler::serialize_memory may touch next page on amd64
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Reviewed-by: kvn, phh, twisti
2009-03-01 20:49:46 -08:00
Coleen Phillimore
a1442ea7ff
6791168: Fix invalid code in bytecodeInterpreter that can cause gcc ICE
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Fix compilation errors from latest gcc in CC_INTERP including offending missing void* cast.
Reviewed-by: xlu
2009-01-13 14:41:44 -05:00
Xiaobin Lu
1362b9fd1d
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
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Avoid casting between int32_t and intptr_t specifically for MasmAssembler::movptr in 32 bit platforms.
Reviewed-by: jrose, kvn
2008-12-24 13:06:09 -08:00
Vladimir Kozlov
7aae40a95f
6462850: generate biased locking code in C2 ideal graph
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Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never
2008-11-07 09:29:38 -08:00
Vladimir Kozlov
55925534ec
6532536: Optimize arraycopy stubs for Intel cpus
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Use SSE2 movdqu in arraycopy stubs on newest Intel's cpus
Reviewed-by: rasbold
2008-10-14 15:10:26 -07:00
Andrey Petrusenko
b6aabd98fc
Merge
2008-09-17 16:49:18 +04:00
Tom Rodriguez
26c780da72
5108146: Merge i486 and amd64 cpu directories
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6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn
2008-08-27 00:21:55 -07:00
